When the US Department of Agriculture last week said that results of a screening test had raised the possibility that a second cow in the United States was infected with bovine spongiform encephalopathy, investors took notice.

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Researchers have sequenced the northern white rhinoceros to gauge whether it could be brought back from the edge of extinction, the New York Times reports.

Bavaria expands its forensic genetic analyses to include DNA phenotyping, raising discrimination concerns.

Tufts University researchers found a role for miRNA in transmitting stress between generations, the Economist reports.

In Science this week: gut microbiome influences liver cancer growth, spread; and more.